diff options
| author | Ye Li <[email protected]> | 2024-09-19 12:01:26 +0800 |
|---|---|---|
| committer | Fabio Estevam <[email protected]> | 2024-09-19 00:12:41 -0300 |
| commit | 46f72ebad960c5b7d66ec3d901fc6c957dd2a395 (patch) | |
| tree | 9cae5c87e98126fdc9b423e7f9e541a6c6039653 /arch/arm/include | |
| parent | 3166537ae42006df649c654fd7ceba40554643fa (diff) | |
imx9: soc: Add function to get target voltage mode
Replace the static CONFIG_IMX9_LOW_DRIVE_MODE with runtime target
voltage mode by checking the part's SPEED GRADE fuse.
SPL will configure to highest A55 speed which is indicated by the SPEED
fuse and select corresponding voltage mode.
Reviewed-by: Peng Fan <[email protected]>
Signed-off-by: Ye Li <[email protected]>
Signed-off-by: Peng Fan <[email protected]>
Diffstat (limited to 'arch/arm/include')
| -rw-r--r-- | arch/arm/include/asm/arch-imx9/sys_proto.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/arch/arm/include/asm/arch-imx9/sys_proto.h b/arch/arm/include/asm/arch-imx9/sys_proto.h index 2f7a1292758..e4bf6a63424 100644 --- a/arch/arm/include/asm/arch-imx9/sys_proto.h +++ b/arch/arm/include/asm/arch-imx9/sys_proto.h @@ -8,7 +8,18 @@ #include <asm/mach-imx/sys_proto.h> +enum imx9_soc_voltage_mode { + VOLT_LOW_DRIVE = 0, + VOLT_NOMINAL_DRIVE, + VOLT_OVER_DRIVE, +}; + void soc_power_init(void); bool m33_is_rom_kicked(void); int m33_prepare(void); + +enum imx9_soc_voltage_mode soc_target_voltage_mode(void); + +#define is_voltage_mode(mode) (soc_target_voltage_mode() == (mode)) + #endif |